; Hello, world!

PUT R1, 72
PUT R2, 101
PUT R3, 108

OUT R1
OUT R2
OUT R3
OUT R3

XOR R1, R1
XOR R2, R2
XOR R3, R3

PUT R1, 111
PUT R2, 44
PUT R3, 32

OUT R1
OUT R2
OUT R3

XOR R1, R1
XOR R2, R2
XOR R3, R3

PUT R1, 119
PUT R2, 111
PUT R3, 114

OUT R1
OUT R2
OUT R3

XOR R1, R1
XOR R2, R2
XOR R3, R3

PUT R1, 108
PUT R2, 100
PUT R3, 33

OUT R1
OUT R2
OUT R3

HLT